/*******************************************************************************
 * This file is part of blueprint4j www.blueprint4j.org.
 * 
 *     blueprint4j is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     blueprint4j is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 * 
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with blueprint4j. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package blueprint4j.db;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Date;
import java.sql.*;
import java.io.*;

import blueprint4j.utils.*;

import javax.swing.ImageIcon;

/**
 * Represents an implemented version of FieldImageInterface
 * Two other classes will extends from this class to form a FieldImage that stores
 * a large image, that does not get loaded, and a normal one that stores thumbnail reference, and 
 * owns a large instance
 */
public class FieldImageLarge extends FieldImageImpl {


	private boolean loaded = false;

	/**
	 * public Field( Blob p_name, Blob p_description, boolean p_key_field
	 *
	 * Name: Name of field -> equivalent to table.field_name
	 * Description: Description of field
	 * key_field: Is this field a key field in the table (index field)
	 */
	public FieldImageLarge( String p_name, int p_field_type ,String p_description,Entity entity ) {
		super( (p_name+"_large"),(p_field_type | Field.FIELD_DONT_LOAD),p_description,entity );
	}

	public Field newInstance(Entity entity) {
		return new FieldImageLarge(getName(),getFieldType(),getDescription(),entity);
	}

	public ImageIcon getLarge() throws SQLException {
		if (!loaded) {
			Statement smt = getEntity().getConnection().createStatement();
			try {
				ResultSet
				rs = smt.executeQuery(
				        "select "+getName()+" from "+getEntity().getTableName()+
				        " where "+getEntity().getFieldId().getName()+" = "+getEntity().getFieldId().getAsStringSQL()
				     );
				if (rs.next()) {
					setFieldValue(rs);
				}
				loaded = true;
			} finally {
				smt.close();
			}
		}
		return super.get();
	}

	public void set(ImageIcon image)
	throws BindException {
		loaded = true;
		setObject(image);
	}
	
	public String toString() {
		try {
			getLarge();
			return super.toString();
		} catch (Exception  exception) {
			exception.printStackTrace();
			Log.debug.out(exception);
			return null;
		}
	}
	
	public void setSerializable(String value) throws BindException {
		try {
			super.setSerializable(value);
			loaded = true;
		} catch (Exception ex) {
			Log.debug.out(ex);
		}
	}

}

